Happy will they be who lend ear to the words of the dead.

The sun gives spirit and life to the plants and the earth nourishes them with moisture.

Poor is the pupil who does not surpass his master.

Of several bodies, all equally large and equally distant, that which is most brightly illuminated will appear to the eye nearest and largest.

A luminous body will appear more brilliant in proportion as it is surrounded by deeper shadow.

Beyond a doubt truth bears the same relation to falsehood as light to darkness.

A good painter has two main objects to paint, man and the intention of his soul. The former is easy, the latter hard as he has to represent it by the attitude and movement of the limbs.